Under Declaration of Trust在声明的信任 Underwater Demolition Team (US Navy SEALs)水下爆破小组(美国海军海豹) User Defined Tools用户自定义的工具 Uro Dynamic TestingUro动态测试 Underage Drinking Taskforce未到法定年龄的饮酒工作组 Uniform Data Transfer (COM-based technologies)统一的数据转移(COM-based技术) User-Defined Table用户自定义表格 Undescended TesticlesUndescended睾丸 Unstructured Data Structure非结构化的数据结构 Utility Dog Tracker (AKC title)狗盈(AKC的头衔效用) Uridine Diphosphate-N-Acetylgulucosamine TransferaseDiphosphate-N-Acetylgulucosamine尿苷转移 Under Deck Tonnage在甲板上 United Dominions Trust Ltd (UK)美国领土信托公司(英国) U Die Today (gaming clan)你现在就死(游戏族) User Data Type (Microsoft)用户数据类型(微软)